<template>
  <div class="main">
    <a-form
      id="formLogin"
      class="user-layout-login"
      ref="formLogin"
      :form="form"
      @submit="handleSubmit"
    >
      <a-alert v-if="isLoginError" type="error" showIcon style="margin-bottom: 24px;" message="登录失败" />
      <a-form-item>
        <a-input
          size="large"
          type="text"
          placeholder="请输入你的账号"
          class="user-login-input"
          v-decorator="[
            'username',
            {rules: [{ required: true, message: '用户账号必须填写' }, { validator: handleUsernameOrEmail }], validateTrigger: 'change'}
          ]"
        >
          <div slot="prefix" class="prefix">
            <img src="~@/assets/username.png">
            账号
          </div>
        </a-input>
      </a-form-item>
      <a-form-item>
        <a-input-password
          size="large"
          placeholder="请输入你的密码"
          v-decorator="[
            'password',
            {rules: [{ required: true, message: '用户密码必须填写' }], validateTrigger: 'blur'}
          ]"
        >
          <div slot="prefix" class="prefix">
            <img src="~@/assets/password.png">
            密码
          </div>
        </a-input-password>
      </a-form-item>
      <!-- <slider :value-fun="Val" :min="0" :max="100"></slider> -->
      <div class="slider">
        <span class="block">{{ text }}</span>
        <a-slider v-model="inputValue1" :min="0" :max="20" :disabled="disabled" :tooltip-visible="false"/>
      </div>
      <a-form-item style="margin-top:24px;text-align:center">
        <a-button
          size="large"
          type="primary"
          htmlType="submit"
          class="login-button"
          :loading="state.loginBtn"
          :disabled="state.loginBtn"
        >登录</a-button>
      </a-form-item>
    </a-form>
  </div>
</template>

<script>
// import md5 from 'md5'
import TwoStepCaptcha from '@/components/tools/TwoStepCaptcha'
// import Slider from './slider'
import { mapActions } from 'vuex'
import { timeFix } from '@/utils/util'
import { getSmsCaptcha, get2step } from '@/api/login'

export default {
  components: {
    TwoStepCaptcha
  },
  data () {
    return {
      text: '滑动验证',
      disabled: false,
      inputValue1: 1,
      customActiveKey: 'tab1',
      loginBtn: false,
      // login type: 0 email, 1 username, 2 telephone
      loginType: 0,
      isLoginError: false,
      requiredTwoStepCaptcha: false,
      stepCaptchaVisible: false,
      form: this.$form.createForm(this),
      state: {
        time: 60,
        loginBtn: false,
        // login type: 0 email, 1 username, 2 telephone
        loginType: 0,
        smsSendBtn: false
      }
    }
  },
  created () {
    get2step({ })
      .then(res => {
        this.requiredTwoStepCaptcha = res.result.stepCode
      })
      .catch(() => {
        this.requiredTwoStepCaptcha = false
      })
    // this.requiredTwoStepCaptcha = true
  },
  watch: {
    inputValue1 (New, old) {
      if (New > 18) {
        this.disabled = true
        this.text = '验证成功'
      }
    }
  },
  methods: {
    ...mapActions(['Login', 'Logout']),
    Val (min, max, total) {
      console.log(min)
    },
    // handler
    handleUsernameOrEmail (rule, value, callback) {
      const { state } = this
      const regex = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+((\.[a-zA-Z0-9_-]{2,3}){1,2})$/
      if (regex.test(value)) {
        state.loginType = 0
      } else {
        state.loginType = 1
      }
      callback()
    },
    handleTabClick (key) {
      this.customActiveKey = key
      // this.form.resetFields()
    },
    handleSubmit (e) {
      e.preventDefault()
      const {
        form: { validateFields },
        state,
        Login
      } = this
      if (this.inputValue1 < 19) {
        this.$notification['error']({
          message: '错误',
          description: '请滑动验证',
          duration: 4
        })
        return
      }
      state.loginBtn = true
      const validateFieldsKey = ['username', 'password']
      validateFields(validateFieldsKey, { force: true }, (err, values) => {
        if (!err) {
          console.log('login form', values)
          const loginParams = { ...values }
          delete loginParams.username
          loginParams[!state.loginType ? 'email' : 'username'] = values.username
          // loginParams.password = md5(values.password)
          loginParams.password = values.password
          Login(loginParams)
            .then((res) => this.loginSuccess(res))
            .catch(err => this.requestFailed(err))
            .finally(() => {
              state.loginBtn = false
            })
        } else {
          setTimeout(() => {
            state.loginBtn = false
          }, 600)
        }
      })
    },
    getCaptcha (e) {
      e.preventDefault()
      const { form: { validateFields }, state } = this

      validateFields(['mobile'], { force: true }, (err, values) => {
        if (!err) {
          state.smsSendBtn = true

          const interval = window.setInterval(() => {
            if (state.time-- <= 0) {
              state.time = 60
              state.smsSendBtn = false
              window.clearInterval(interval)
            }
          }, 1000)

          const hide = this.$message.loading('验证码发送中..', 0)
          getSmsCaptcha({ mobile: values.mobile }).then(res => {
            setTimeout(hide, 2500)
            this.$notification['success']({
              message: '提示',
              description: '验证码获取成功，您的验证码为：' + res.result.captcha,
              duration: 8
            })
          }).catch(err => {
            setTimeout(hide, 1)
            clearInterval(interval)
            state.time = 60
            state.smsSendBtn = false
            this.requestFailed(err)
          })
        }
      })
    },
    stepCaptchaSuccess () {
      this.loginSuccess()
    },
    stepCaptchaCancel () {
      this.Logout().then(() => {
        this.loginBtn = false
        this.stepCaptchaVisible = false
      })
    },
    loginSuccess (res) {
      console.log(res)
      // check res.homePage define, set $router.push name res.homePage
      // Why not enter onComplete
      /*
      this.$router.push({ name: 'analysis' }, () => {
        console.log('onComplete')
        this.$notification.success({
          message: '欢迎',
          description: `${timeFix()}，欢迎回来`
        })
      })
      */
      this.$router.push({ name: 'account' })
      // 延迟 1 秒显示欢迎信息
      setTimeout(() => {
        this.$notification.success({
          message: '欢迎',
          description: `${timeFix()}，欢迎回来`
        })
      }, 1000)
      this.isLoginError = false
    },
    requestFailed (err) {
      this.isLoginError = true
      this.$notification['error']({
        message: '错误',
        description: ((err.response || {}).data || {}).message || '请求出现错误，请稍后再试',
        duration: 4
      })
    }
  }
}
</script>

<style lang="less" scoped>
.slider {
  background: url(~@/assets/loginText.png) no-repeat;
  height: 44px;
  background-size: 100%;
  position: relative;
}
.block {
  color: #fff;
  position: absolute;
  top: 12px;
  left: 60px;
}
/deep/.ant-slider-handle {
  width: 34px;
  height: 34px;
  margin-top: 0;
  color: #91d5ff;
}
/deep/.ant-tool-tip {
}
/deep/ .ant-slider-rail {
  visibility:hidden;
}
/deep/ .ant-slider-track {
  visibility:hidden;
}
/deep/ .ant-slider-disabled .ant-slider-track {
  background-color: transparent;
}
.user-layout-login {
  width: 568px;
  height: 815px;
  background: url(~@/assets/loginBox.png) no-repeat;
  background-size: 100%;
  margin: 0 auto;
  padding: 150px 122px 0;
  label {
    font-size: 14px;
  }
  /deep/ .ant-input {
    height: 44px;
    background: url(~@/assets/loginText.png) no-repeat;
    background-size: 100%;
    border: 0;
    color: #fff;
    padding: 0 0 0 90px;
  }
  /deep/ .ant-input :hover{
    background-color:transparent;
    border: 0;
  }
  .has-error,
  .ant-form-item-control,
  .has-error .ant-input:hover {
    background-color:transparent;
    border: 0;
  }
  .prefix {
    img {
      width: 18px;
      margin-right: 8px;
    }
    color: #fff;
    font-weight: bold;
    font-size: 16px;
  }
  .getCaptcha {
    display: block;
    width: 100%;
    height: 40px;
  }

  .forge-password {
    font-size: 14px;
  }

  button.login-button {
    margin: 0 auto;
    padding: 0 15px;
    font-size: 16px;
    height: 40px;
    width: 50%;
    border-radius: 20px;
  }

  .user-login-other {
    text-align: left;
    margin-top: 24px;
    line-height: 22px;

    .item-icon {
      font-size: 24px;
      color: rgba(0, 0, 0, 0.2);
      margin-left: 16px;
      vertical-align: middle;
      cursor: pointer;
      transition: color 0.3s;

      &:hover {
        color: #1890ff;
      }
    }

    .register {
      float: right;
    }
  }
}
</style>
